Finding the Fourth Proportional to 42.31, 58.38 and 24.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42.31 : 58.38 = 24.82 : x
2. Step 2: Convert to fraction form
   42.31/58.38 = 24.82/x
3. Step 3: Cross multiply
   42.31x = 58.38 × 24.82
4. Step 4: Simplify right side
   42.31x = 1,449.23
5. Step 5: Solve for x
   x = 1,449.23/42.31
6. Step 6: Final answer
   x = 34.25